Main Page Class Hierarchy Alphabetical List Compound List File List Compound Members File Members

LinearFrictionForce Class Reference

Friction-based drag force. More...

#include <linearFrictionForce.h>

Inheritance diagram for LinearFrictionForce:


Public Member Functions
	LinearFrictionForce (float coef=1.0f, float a=1.0f, bool m=false)
	Constructor.
	LinearFrictionForce (const LinearFrictionForce &copy)
	copy constructor
virtual	~LinearFrictionForce (void)
	destructor
void	set_coef (float coef)
float	get_coef (void) const
virtual TypeHandle	get_type (void) const
virtual TypeHandle	force_init_type ()
void	set_amplitude (const float a)
void	set_mass_dependent (bool m)
float	get_amplitude (void) const
bool	get_mass_dependent (void) const
void	set_vector_masks (bool x, bool y, bool z)
virtual LVector3f	get_vector (const PhysicsObject *po)
virtual bool	is_linear (void) const
bool	get_active (void) const
void	set_active (bool active)
ForceNode *	get_force_node (void) const
int	get_type_index () const
	Returns the internal index number associated with this object's TypeHandle, a unique number for each different type.
bool	is_of_type (TypeHandle handle) const
	Returns true if the current object is or derives from the indicated type.
bool	is_exact_type (TypeHandle handle) const
	Returns true if the current object is the indicated type exactly.
int	get_ref_count () const
	Returns the current reference count.
int	ref () const
	Explicitly increments the reference count.
int	unref () const
	Explicitly decrements the reference count.
void	test_ref_count_integrity () const
	Does some easy checks to make sure that the reference count isn't completely bogus.
Static Public Member Functions
TypeHandle	get_class_type (void)
void	init_type (void)
Private Member Functions
virtual LinearForce *	make_copy (void)
	copier
virtual LVector3f	get_child_vector (const PhysicsObject *)
	Constructor.
Private Attributes
float	_coef
Static Private Attributes
TypeHandle	_type_handle

Detailed Description

Friction-based drag force.

Definition at line 34 of file linearFrictionForce.h.

Constructor & Destructor Documentation

LinearFrictionForce::LinearFrictionForce ( float coef = 1.0f,

float a = 1.0f,

bool m = false

)

Constructor.

Definition at line 35 of file linearFrictionForce.cxx.
References _coef.

LinearFrictionForce::LinearFrictionForce ( const LinearFrictionForce & copy )

copy constructor

Definition at line 56 of file linearFrictionForce.cxx.

LinearFrictionForce::~LinearFrictionForce ( void ) [virtual]

destructor

Definition at line 70 of file linearFrictionForce.cxx.
References _coef, and PhysicsObject::get_velocity().

Member Function Documentation

virtual TypeHandle LinearFrictionForce::force_init_type ( void ) [inline, virtual]

Reimplemented from LinearForce.
Definition at line 61 of file linearFrictionForce.h.

bool BaseForce::get_active ( void ) const [inline, inherited]

Definition at line 51 of file baseForce.I.

float LinearForce::get_amplitude ( void ) const [inline, inherited]

Definition at line 40 of file linearForce.I.
References LinearForce::_mass_dependent, and INLINE.

LVector3f LinearFrictionForce::get_child_vector ( const PhysicsObject * po ) [private, virtual]

Constructor.

Implements LinearForce.
Definition at line 95 of file linearFrictionForce.cxx.

TypeHandle LinearFrictionForce::get_class_type ( void ) [inline, static]

Reimplemented from LinearForce.
Definition at line 50 of file linearFrictionForce.h.

float LinearFrictionForce::get_coef ( void ) const [inline]

Definition at line 40 of file linearFrictionForce.I.

ForceNode * BaseForce::get_force_node ( void ) const [inline, inherited]

Definition at line 29 of file baseForce.I.
References BaseForce::_active, and INLINE.

bool LinearForce::get_mass_dependent ( void ) const [inline, inherited]

Definition at line 51 of file linearForce.I.
References LinearForce::_mass_dependent.

int ReferenceCount::get_ref_count ( ) const [inline, inherited]

Returns the current reference count.

Definition at line 183 of file referenceCount.I.
Referenced by RenderState::determine_bin_index(), RenderEffects::determine_show_bounds(), FontPool::ns_garbage_collect(), TexturePool::ns_garbage_collect(), MaterialPool::ns_get_material(), and TexturePool::ns_release_texture().

virtual TypeHandle LinearFrictionForce::get_type ( void ) const [inline, virtual]

Reimplemented from LinearForce.
Definition at line 58 of file linearFrictionForce.h.

int TypedObject::get_type_index ( ) const [inline, inherited]

Returns the internal index number associated with this object's TypeHandle, a unique number for each different type.
This is equivalent to get_type().get_index().
Definition at line 71 of file typedObject.I.
References TypeHandle::get_name(), TypedObject::get_type(), and INLINE.

LVector3f LinearForce::get_vector ( const PhysicsObject * po ) [virtual, inherited]

Implements BaseForce.
Definition at line 83 of file linearForce.cxx.

void LinearFrictionForce::init_type ( void ) [inline, static]

Reimplemented from LinearForce.
Definition at line 53 of file linearFrictionForce.h.

bool TypedObject::is_exact_type ( TypeHandle handle ) const [inline, inherited]

Returns true if the current object is the indicated type exactly.

Definition at line 101 of file typedObject.I.
Referenced by PT(), and CollisionNode::xform().

bool LinearForce::is_linear ( void ) const [virtual, inherited]

Implements BaseForce.
Definition at line 105 of file linearForce.cxx.

bool TypedObject::is_of_type ( TypeHandle handle ) const [inline, inherited]

Returns true if the current object is or derives from the indicated type.

Definition at line 86 of file typedObject.I.
Referenced by EggMaterialCollection::collapse_equivalent_materials(), EggTextureCollection::collapse_equivalent_textures(), DeferredNodeProperty::compose(), AnimBundleMaker::create_s_channel(), CharacterMaker::create_slider(), ProjectionScreen::cull_callback(), DataNode::define_output(), EggNode::determine_draw_order(), CharacterMaker::egg_to_index(), EggGroupUniquifier::EggGroupUniquifier(), EggPoolUniquifier::EggPoolUniquifier(), EggGroupNode::find_textures(), StaticTextFont::get_glyph(), EggMaterialCollection::insert_materials(), EggTextureCollection::insert_textures(), CharacterJoint::make_copy(), PT(), EggGroupNode::r_flatten_transforms(), EggGroupNode::r_transform_vertices(), EggGroupNode::recompute_polygon_normals(), CollisionLevelState::reserve(), PandaFramework::reset_frame_rate(), PandaFramework::set_texture(), EggGroupNode::steal_children(), and DataGraphTraverser::traverse().

LinearForce * LinearFrictionForce::make_copy ( void ) [private, virtual]

copier

Implements LinearForce.
Definition at line 82 of file linearFrictionForce.cxx.

int ReferenceCount::ref ( ) const [inline, inherited]

Explicitly increments the reference count.
User code should avoid using ref() and unref() directly, which can result in missed reference counts. Instead, let a PointerTo object manage the reference counting automatically.
This function is const, even though it changes the object, because generally fiddling with an object's reference count isn't considered part of fiddling with the object. An object might be const in other ways, but we still need to accurately count the number of references to it.
The return value is the new reference count.
Definition at line 225 of file referenceCount.I.
Referenced by ClientDevice::ClientDevice(), EggGroupNode::find_textures(), EggGroupNode::r_apply_texmats(), EggGroupNode::r_flatten_transforms(), and EggGroupNode::reverse_vertex_ordering().

void BaseForce::set_active ( bool active ) [inline, inherited]

Definition at line 40 of file baseForce.I.
References BaseForce::_active, and INLINE.

void LinearForce::set_amplitude ( const float a ) [inline, inherited]

Definition at line 29 of file linearForce.I.
References LinearForce::_amplitude, and INLINE.

void LinearFrictionForce::set_coef ( float coef ) [inline]

Definition at line 29 of file linearFrictionForce.I.
References _coef, and INLINE.

void LinearForce::set_mass_dependent ( bool m ) [inline, inherited]

Definition at line 62 of file linearForce.I.
References LinearForce::_y_mask, LinearForce::_z_mask, and y.

void LinearForce::set_vector_masks ( bool x,

bool y,

bool z

) [inline, inherited]

Definition at line 73 of file linearForce.I.

void ReferenceCount::test_ref_count_integrity ( ) const [inline, inherited]

Does some easy checks to make sure that the reference count isn't completely bogus.

Definition at line 328 of file referenceCount.I.
References INLINE.
Referenced by EggNode::determine_bin(), and ReferenceCount::~ReferenceCount().

int ReferenceCount::unref ( ) const [inline, inherited]

Explicitly decrements the reference count.
Note that the object will not be implicitly deleted by unref() simply because the reference count drops to zero. (Having a member function delete itself is problematic; plus, we don't have a virtual destructor anyway.) However, see the helper function unref_delete().
User code should avoid using ref() and unref() directly, which can result in missed reference counts. Instead, let a PointerTo object manage the reference counting automatically.
This function is const, even though it changes the object, because generally fiddling with an object's reference count isn't considered part of fiddling with the object. An object might be const in other ways, but we still need to accurately count the number of references to it.
The return value is the new reference count.
Definition at line 293 of file referenceCount.I.
References INLINE.
Referenced by RenderState::determine_bin_index(), and RenderEffects::determine_show_bounds().

Member Data Documentation

float LinearFrictionForce::_coef [private]

Definition at line 36 of file linearFrictionForce.h.
Referenced by LinearFrictionForce(), set_coef(), and ~LinearFrictionForce().

TypeHandle LinearFrictionForce::_type_handle [static, private]

Reimplemented from LinearForce.
Definition at line 24 of file linearFrictionForce.cxx.

The documentation for this class was generated from the following files:

panda/src/physics/linearFrictionForce.h
panda/src/physics/linearFrictionForce.cxx
panda/src/physics/linearFrictionForce.I

Generated on Fri May 2 00:51:51 2003 for Panda by

1.3

LinearFrictionForce Class Reference

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation